-um

/əm/

suffix

variant spelling of -IUM (in sense 2). 同-IUM （义项2）。

-um¹

(UK) IPA: /əm/

Suffix
(plural -a)

Denotes singular grammatical number.
chemistry Forms the ends of the names of certain elements (such as molybdenum and platinum).

Etymology

From the homographic case endings of the nominative, accusative, and vocative forms of numerous neuter Latin second declension nouns.

Usage notes

The vast majority of words which feature this suffix also have standard -ums plurals formed by suffixation with the -s plural suffix. However, in such situations, the -s suffix morphologically is additional to and separate from the -um suffix.

Derived terms

criterium

datum

decennium

delirium

desideratum

erratum (cf. German Irrtum)

fatum

forum

gymnasium

honorarium

imperium

interbellum (between war(s))

labarum

lucidum

mandatum

maximum

medium

minimum

millenium

modicum

mortuarium

museum

opium

optimum

Persarum

pessarium

podium

postbellum (after war)

referendum

sanatorium

solarium

stadium

talcum (any shiny mineral)

tedium

ultimatum

unicum

vacuum

valium

: This list is very much incomplete; please help its completion by adding terms.

-um²

Suffix

Denotes transitive verbs in the trade pidgins used between English-speakers and indigenous populations; used derogatorily by extension in English by addition to any verb, transitive or not.
1871, Mrs. Edward Millett, An Australian parsonage; or, The settler and the savage in Western Australia, p. 129:
Having finished her return of deaths, she went on to say "Black fellow sick—white lady fowl sendum—white lady kangaroo sendum—master all self eatum—" but here she paused and made an exception in favour of the matron, expressed by the words " Missis not eatum—missis good fellow."
1896, F J Stimsom, King Noanett: A Story of Old Virginia and the Massachusetts Bay, p. 254:
"Givum dinner; smokum pipe," was all that we could get out of Quatchett.

Etymology

Possibly from 'em.

后缀：-um [名词后缀]

表示场所、实物及抽象名词

museum 博物馆

mausoleum 陵墓

asylum 避难所，收容所

forum 法庭，论坛

sanctum 圣所，私室

minimum 最小量

plenum 充满，全体会议

symposium 酒会，座谈会，讨论会

rectum 直肠

hypogeum 地下室，窖

contagium 接触传染物

vacuum 真空（状态），真实度

词根词缀：-um

【来源及含义】Greek > Latin: a suffix that forms singular nouns

【相关描述】Here are just a few of the hundreds of words that end with -um.

【同源单词】abandum, abortorium, absorption spectrum, acropodium, actinium, acute delirium

词汇	-um
词根词缀	NewOxfordEC Wiktionary YoudictWordRoots -um /əm/ suffix variant spelling of -IUM (in sense 2). 同-IUM （义项2）。 -um¹ (UK) IPA: /əm/ Suffix (plural -a) Denotes singular grammatical number. chemistry Forms the ends of the names of certain elements (such as molybdenum and platinum). Etymology From the homographic case endings of the nominative, accusative, and vocative forms of numerous neuter Latin second declension nouns. Usage notes The vast majority of words which feature this suffix also have standard -ums plurals formed by suffixation with the -s plural suffix. However, in such situations, the -s suffix morphologically is additional to and separate from the -um suffix. See also -a -ium -on -os -us Derived terms criterium datum decennium delirium desideratum erratum (cf. German Irrtum) fatum forum gymnasium honorarium imperium interbellum (between war(s)) labarum lucidum mandatum maximum medium minimum millenium modicum mortuarium museum opium optimum Persarum pessarium podium postbellum (after war) referendum sanatorium solarium stadium talcum (any shiny mineral) tedium ultimatum unicum vacuum valium : This list is very much incomplete; please help its completion by adding terms. -um² Suffix Denotes transitive verbs in the trade pidgins used between English-speakers and indigenous populations; used derogatorily by extension in English by addition to any verb, transitive or not. 1871, Mrs. Edward Millett, An Australian parsonage; or, The settler and the savage in Western Australia, p. 129: Having finished her return of deaths, she went on to say "Black fellow sick—white lady fowl sendum—white lady kangaroo sendum—master all self eatum—" but here she paused and made an exception in favour of the matron, expressed by the words " Missis not eatum—missis good fellow." 1896, F J Stimsom, King Noanett: A Story of Old Virginia and the Massachusetts Bay, p. 254: "Givum dinner; smokum pipe," was all that we could get out of Quatchett. Etymology Possibly from 'em. 后缀：-um [名词后缀] 表示场所、实物及抽象名词 museum 博物馆 mausoleum 陵墓 asylum 避难所，收容所 forum 法庭，论坛 sanctum 圣所，私室 minimum 最小量 plenum 充满，全体会议 symposium 酒会，座谈会，讨论会 rectum 直肠 hypogeum 地下室，窖 contagium 接触传染物 vacuum 真空（状态），真实度词根词缀：-um 【来源及含义】Greek > Latin: a suffix that forms singular nouns 【相关描述】Here are just a few of the hundreds of words that end with -um. 【同源单词】abandum, abortorium, absorption spectrum, acropodium, actinium, acute delirium
随便看	reschedule rescind rescission rescue re-search research reseat resect resectable resection resemblance resemble resend resent resentful resentment reservation reserve reserved reservist reservoir reset resettle resettlement reshape

-um 1

Suffix (plural -a)

Etymology

Usage notes

See also

Derived terms

-um 2

Suffix

Etymology

后缀：-um [名词后缀]

词根词缀：-um

-um¹

Suffix
(plural -a)

-um²